the strong yuan is weighing on samsung. company related losses could amount to roughly $2.8 billion. they say they will work hard to provide higher quality frouts become more competitive. that want does it for biz this week. let's check in now on the markets. >>> aviation authorities in the united states and japan are keeping an even closer contact these days. most of their discussion involve the 787 dreamliner. the boeing made plane has been grounded following a series of problems. the biggest involves the jet's batteries. nhk world bring us up to speed on the investigation. >> translator: investigators are hoping to find out why the battery in the 787 caught fire while the plane was on the tarmac in boston. >> we do not expect to see fire events on board aircraft. this is a very serious air safety concern. >> reporter: the lithium batteries play a key role. dream liners have two sets of them. one is under the cockpit. it provides back up energy in an emergency. the other is under the passenger cabin. it starts the jet's e